Q-035 BUNA 70 Q RING

QH70035 is an AS568-035 black Buna-N (Nitrile) 70 Shore A quad profile Quad-Ring supplied with an inside diameter of 2.239 in (56.87 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 2.379 in (60.43 mm). In service, this quad-ring uses a four-lobed profile to create two sealing surfaces per side, reducing the squeeze needed to seal.

As a material, Buna-N (Nitrile) is specified for reliable performance in both static and dynamic service, strong abrasion and tear resistance. This material stands up to many alcohols, petroleum-based oils, and water. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with ketones or automotive brake fluid.

You will find this material specified across automotive, hydraulic and pneumatic systems, and agricultural equipment.

Reference part number QH70035 when ordering; the item is sold individually. Unit weight is approximately 0.624 g and nominal inside diameter is listed as 2 1/4 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. For a size or compound outside the standard catalog, APG can quote from a print or sample.